# Service Tech Work Orders Plus vs Invoice Maker

The clearest difference is price: Invoice Maker at Free against Service Tech Work Orders Plus's $7.99. Invoice Maker also leads on rating (4.8 vs 4.2) and update cadence (weekly vs every 3 months). Service Tech Work Orders Plus's advantage is iOS requirement (13.0 vs 15.6). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Invoice Maker is free to download; Service Tech Work Orders Plus costs $7.99 up front. Service Tech Work Orders Plus sells 10 one-off in-app purchases and Invoice Maker sells 20 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Invoice Maker holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Invoice Maker has 109K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 82% of Service Tech Work Orders Plus's written reviews are positive against 86% of Invoice Maker's.

Service Tech Work Orders Plus ships an update every 3 months, Invoice Maker weekly. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Service Tech Work Orders Plus | Invoice Maker |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [4.2 (13 ratings)](https://appshunter.io/ios/app/service-tech-work-orders-plus/id849337035/reviews) | **[4.8 (109K ratings)](https://appshunter.io/ios/app/invoice-maker-invoice-fly/id1606911248/reviews)** |
| Number of ratings | 13 | **109K** |
| Positive reviews | 81.8% of reviews | **85.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#6** |
| Size | 124 MB | 242 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JZ Mobile LLC](https://appshunter.io/developer/390988405) | [Labhouse Mobile](https://appshunter.io/developer/1568110847) |

## What reviewers say

### Service Tech Work Orders Plus

[App page](https://appshunter.io/ios/app/service-tech-work-orders-plus/id849337035)

Manage field service operations with this comprehensive app. Schedule appointments, create professional invoices and estimates, track client information, and analyze financial data. All your business management tools in one place, offline.

**Highlights:** Client-focused scheduling, Professional invoicing and estimates, Contact management with direct communication, Inventory and labor tracking, Profit & Loss analysis, Offline data storage, Customizable document formats

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Messages & Reminders | $3.99 | one-time |
| Estimates Bids & Quotes 2 | $3.99 | one-time |
| Scheduler | $3.99 | one-time |
| Auto Service Calls | $4.99 | one-time |
| Cloud Sync Secure Data Sharing | $6.99 | one-time |
| Profits Expenses & PDF Reports | $6.99 | one-time |
| All Productivity In-Apps | $9.99 | one-time |
| Monthly Statements | $14.99 | one-time |
| Craftsman NCE Cost Book | $14.99 | one-time |
| Mac User Full License | $19.99 | one-time |


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-invoice-fly/id1606911248)

**Currently charting:** #6 Top Grossing · Business, #38 Top Free · Business (US App Store)

Create and send professional invoices and estimates quickly from your phone. Organize your finances with easy tracking and notifications when clients open your bills. Customize invoices with details like taxes, discounts, and signatures.

**Highlights:** Create invoices in under a minute, Generate invoices from estimates, Customize invoice templates, Add discounts, taxes, and signatures, Track invoice status and client opens, Sync across devices, Generate income reports

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Fly Weekly | $6.99 | per 7 days |
| Invoice Fly Weekly | $8.99 | per 7 days |
| Invoice Fly Weekly | $8.99 | per 7 days |
| Invoice Fly Weekly | $8.99 | per 7 days |
| Invoice Fly Weekly | $9.99 | per 7 days |
| Invoice Fly Weekly | $9.99 | per 7 days |
| Invoice Fly Weekly | $9.99 | per 7 days |
| Invoice PRO Premium (Trial) | $12.99 | per month |
| Invoice Fly Premium | $17.99 | per month |
| Unlimited Invoicing | $17.99 | per month |
| Invoice Fly Monthly | $17.99 | per month |
| Invoice Fly Monthly | $17.99 | per month |
| Invoice Fly Monthly | $19.99 | per month |
| Invoice Fly Premium | $29.99 | per month |
| Invoice Fly Premium | $98.99 | per year |
| Invoice Fly Premium | $98.99 | per year |
| Invoice Fly Premium | $98.99 | per year |
| Invoice Fly Yearly | $99.99 | per year |
| Invoice Fly Yearly | $199.99 | per year |
| Unlimited Invoicing | $299.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient invoicing
- 💡 Professional templates
- 🔒 Secure payments
- 🚀 Convenient mobile access

**What reviewers complain about**

- 🐛 Occasional bugs
- 💰 Expensive subscription
- 🔒 Difficult to recover account
- 🔍 Limited customer support

**Reported bugs**

- Issues with invoice conversion
- Inability to view past invoices
- Inconsistent PDF generation

**Requested features**

- Ability to convert estimates to invoices
- Option to save invoices as PDFs
- Integrate with more payment processors
- Improved reporting and analytics


## Frequently asked questions

### Is Service Tech Work Orders Plus free?

Service Tech Work Orders Plus costs $7.99, and also offers in-app purchases.

### Is Invoice Maker free?

Invoice Maker is free to download, with in-app purchases available.

### Which has better reviews, Service Tech Work Orders Plus or Invoice Maker?

Invoice Maker is rated higher. Service Tech Work Orders Plus averages 4.2 out of 5 from 13 ratings, while Invoice Maker averages 4.8 from 109K ratings.

### Do Service Tech Work Orders Plus or Invoice Maker have ads?

Neither Service Tech Work Orders Plus nor Invoice Maker shows ads.

### Which is updated more often, Service Tech Work Orders Plus or Invoice Maker?

Service Tech Work Orders Plus ships an update every 3 months, and Invoice Maker weekly. Most recently, Service Tech Work Orders Plus was updated on October 2, 2026 and Invoice Maker on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*